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Ultrafine bubbles

An ultrafine bubble (also called nano bubbles) is the size of less than 1 micrometer. They are invisible to the naked eye. They are visible with the aid of laser light scattering. If you line up 10,000 nano bubbles, it will still be short of one millimeter. Nano is equal to the fraction 1/1 billion. Nano bubbles have many potential applications in many different fields. This technology can put oxygen or ozone gas into water as tiny nano sized bubbles. And the study in each area is being done.

Many visitors were astonished by the “magic” aquarium, exhibited at the 2005 Aichi (Nagoya) EXPO in Japan, which enabled the coexistence of sea bream, a saltwater fish, and koi carp, a freshwater fish, in the same body of water, which is impossible in the wild. They are very healthy and they even grow faster. This wonder was realized by nano bubble water.

Ultrafine bubbles injected into irrigating water are being used in experiments to grow organic tomatoes and strawberries at computerized greenhouses. The result is larger, juicer fruit, longer shelf-life, and increase in yield. Fresh vegetables and fish washed with fine bubble water are more resistant to food-borne pathogens.

The use of fine bubbles in the Isahaya Bay (Nagasaki, Japan), where high level of pollution was causing clams to die, was a remarkable case. It has not only improved water quality, but enhanced clam survival rate.

A Japanese expressway company has been using fine bubble water to clean restrooms in service and parking area and to remove salt (sodium chloride) that would otherwise damage highway bridges. The technology benefits the company with 90% less water, less cleaning hours, zero environmental impact, and lower odor levels.

The ultrafine bubble water technology has advanced over the past decades, with more “real, serious widespread adoption” happening in recent years. (Floro Mercene)

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